Re: [PATCH net] net/dibs: Correct freeing of dmb_clientid_arr
| Newsgroups | org.kernel.vger.stable,org.kernel.vger.linux-kernel,org.kernel.vger.linux-s390,org.kernel.vger.netdev |
|---|---|
| Message-ID | <178658040641.2159598.1552033045335501888.git-patchwork-notify@kernel.org> |
Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski <[email protected]>: On Mon, 10 Aug 2026 13:14:32 +0200 you wrote: > A dibs device interrupt handler can be active after dibs_dev_del() and > may still access dmb_clientid_arr. (UAF) > > In case of a failure in dibs_dev_add() being called by dibs_lo_dev_probe() > dmb_clientid_arr is freed twice (double free). > > Free dmb_clientid_arr in dibs_dev_release() after last reference is gone. > Note that allocating in dibs_dev_add() instead of dibs_dev_alloc() is ok > for now, because no dmbs can be registered before dibs_dev_add(). > > [...] Here is the summary with links: - [net] net/dibs: Correct freeing of dmb_clientid_arr https://git.kernel.org/netdev/net/c/9e6869be4906 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html